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Sequential resonant tunnelling through Landau levels in GaAs/AlAs superlattices

✍ Scribed by Jian Liu; Erich Gornik; Shijie Xu; Houzhi Zheng

Book ID
114155907
Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
127 KB
Volume
43-44
Category
Article
ISSN
0167-9317

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Our paper is a ΓΏrst step towards tunnelling spectroscopy of individual X-minimum-related shallow donors. We investigated I -V characteristics of submicrometer mesa structures made on GaAs/AlAs/GaAs wafers -doped with silicon in the middle of AlAs layer. At 4:2 K and magnetic ΓΏeld up to 6 T we resolv